unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DB, Grids, DBGrids, ADODB, StdCtrls, ExtCtrls, DBCtrls;

type
  TForm1 = class(TForm)
    ADOTable1: TADOTable;
    DBGrid1: TDBGrid;
    DataSource1: TDataSource;
    Label1: TLabel;
    procedure DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
      DataCol: Integer; Column: TColumn; State: TGridDrawState);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
  DataCol: Integer; Column: TColumn; State: TGridDrawState);
var
  i :integer;
begin
  if gdSelected in State then Exit;
    //定义表头的字体和背景颜色：
    for i :=0 to (Sender as TDBGrid).Columns.Count-1 do
    begin
      (Sender as TDBGrid).Columns[i].Title.Font.Name :='宋体'; //字体
      (Sender as TDBGrid).Columns[i].Title.Font.Size :=9; //字体大小
      (Sender as TDBGrid).Columns[i].Title.Font.Color :=$000000ff; //字体颜色(红色)
      (Sender as TDBGrid).Columns[i].Title.Color :=$0000ff00; //背景色(绿色)
    end;
  //将奇偶行设置不同背景色
  if ADOTable1.RecNo mod 2 = 0 then
    (Sender as TDBGrid).Canvas.Brush.Color := clInfoBk 
  else
    (Sender as TDBGrid).Canvas.Brush.Color := RGB(191, 255, 223);
  //定义表格线的颜色：
  DBGrid1.DefaultDrawColumnCell(Rect,DataCol,Column,State);
  with (Sender as TDBGrid).Canvas do //画 cell 的边框
  begin
    Pen.Color := $00ff0000; //定义画笔颜色(蓝色)
    MoveTo(Rect.Left, Rect.Bottom); //画笔定位
    LineTo(Rect.Right, Rect.Bottom); //画蓝色的横线
    Pen.Color := $0000ff00; //定义画笔颜色(绿色)
    MoveTo(Rect.Right, Rect.Top); //画笔定位
    LineTo(Rect.Right, Rect.Bottom); //画绿色的竖线
  end;
end;

end.